Disclosure of Invention
The invention aims to provide an accurate fascia lata acquisition device, which solves the problem that the width of the existing plate fascia lata cutter cannot be adjusted, so that fascia lata with different widths cannot be acquired conveniently.
The invention provides an accurate fascia lata acquisition device which comprises a mounting seat and a cutting assembly, wherein the cutting assembly comprises a fixed sleeve, a movable sleeve, a cutting knife, a telescopic rod, a driving member and a cutting member, the fixed sleeve is fixedly connected with the mounting seat and is positioned on one side of the mounting seat, the driving member is arranged on the mounting seat, the movable sleeve is connected with the mounting seat through the driving member, the cutting knife is rotatably connected with the fixed sleeve and is connected with the movable sleeve and is positioned between the fixed sleeve and the movable sleeve, the telescopic rod is connected with the fixed sleeve and is connected with the movable sleeve and is arranged on the fixed sleeve, and the cutting member is arranged on the fixed sleeve and cuts the fascia lata.
The movable sleeve is provided with scale marks, and the scale marks are arranged on the movable sleeve and are positioned on one side of the movable sleeve.
The telescopic rod comprises a fixed rod and a movable rod, wherein the movable rod is fixedly connected with the movable sleeve and is positioned at one end of the movable sleeve, and the fixed rod is fixedly connected with the fixed sleeve, is in sliding connection with the movable rod and is sleeved on the movable rod.
The cutting knife comprises a mounting plate, a sliding seat and a blade, wherein the sliding seat is in sliding connection with the movable sleeve and is positioned in the movable sleeve, two ends of the mounting plate are respectively in rotary connection with the sliding seat and the fixed sleeve, the mounting plate is arranged on the fixed sleeve, and the blade is fixedly connected with the mounting plate and is positioned on one side of the mounting plate.
The cutting knife further comprises a limiting block, the limiting block is fixedly connected with the sliding seat and located on one side of the sliding seat, the movable sleeve is provided with a limiting groove, the limiting groove is arranged on the movable sleeve and located on one side, close to the limiting block, of the movable sleeve, and the limiting groove is matched with the limiting block.
The blade is provided with a chamfer, and the chamfer is arranged on the blade and is positioned on one side of the blade away from the mounting seat.
The driving member comprises a threaded rod, a threaded sleeve and a knob, wherein the threaded rod is rotationally connected with the mounting seat and is positioned in the mounting seat, the threaded sleeve is in threaded connection with the threaded rod, is fixedly connected with the movable sleeve and is in sliding connection with the mounting seat, and the knob is fixedly connected with the threaded rod and is positioned at one end of the threaded rod.
The auxiliary threading assembly comprises a threading tube, a mounting frame and a driving member, wherein the threading tube is fixedly connected with the movable sleeve and penetrates through the movable sleeve, the mounting frame is detachably connected with the movable sleeve and is arranged on the movable sleeve, and the driving member is arranged on the mounting frame.
The lifting device comprises a shell, a mounting frame, a clamping seat, a lifting rod, a lifting seat and a clamping seat, wherein the shell is fixedly connected with the mounting frame and is arranged on the mounting frame, the shell is provided with a driving groove which is arranged on the inner side of the shell, the moving shaft is in sliding connection with the shell and stretches into the driving groove, the clamping seat is fixedly connected with the moving shaft and is arranged on the moving shaft, the lifting seat is in sliding connection with the shell and is sleeved on the shell, and the lifting rod is fixedly connected with the lifting seat and is in sliding connection with the clamping seat and is positioned on the inner side of the lifting seat.
The lifting groove is arranged on the inner side of the shell, the descending groove is arranged on the inner side of the shell, and the lifting groove is communicated with the descending groove.
When the accurate fascia-cutting device is used, a notch is cut on the outer side of a thigh of a patient, the device is inserted, the insertion is stopped after the insertion length is consistent with the fascia-cutting length, the mounting seat is pulled out, the fixing sleeve, the moving sleeve and the cutting knife are driven to move, the cutting edge of the cutting knife is contacted with the fascia, the fascia is cut, the cut fascia is cut off through the cutting member, the cut fascia can be removed, when the width of the cut fascia is required to be adjusted, the driving member drives the moving sleeve to move, the distance between the moving sleeve and the fixing sleeve is changed, and meanwhile, the cutting knife is inclined in the moving process of the moving sleeve, the width of the fascia which can be cut by the cutting knife is changed, so that the width of the device is convenient to adjust, and the fascia-cutting device can be conveniently used for accurately obtaining fascia implants with different lengths.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic overall structure of a fascia lata precise acquisition device according to a first embodiment of the invention.
Fig. 2 is a schematic view of the mounting structure of the blade according to the first embodiment of the present invention.
Fig. 3 is a schematic view of the structure of the chamfer of the first embodiment of the present invention.
Fig. 4 is a schematic structural view of a driving member according to a second embodiment of the present invention.
Fig. 5 is a schematic view of the mounting structure of the housing of the third embodiment of the present invention.
Fig. 6 is a schematic structural view of an elastic member according to a third embodiment of the present invention.
Fig. 7 is a schematic structural view of an auxiliary threading assembly according to a fourth embodiment of the present invention.
FIG. 8 is a schematic view showing an installation structure of a threading tube according to a fourth embodiment of the present invention.
Fig. 9 is a schematic view of a mounting structure of a clamping seat according to a fourth embodiment of the present invention.
Fig. 10 is a schematic view showing the structures of a rising tank and a falling tank according to a fourth embodiment of the present invention.
In the figure, 101-mounting seat, 102-cutting assembly, 103-fixed sleeve, 104-movable sleeve, 105-cutting knife, 106-telescopic rod, 107-driving member, 108-cutting member, 109-graduation line, 110-fixed rod, 111-movable rod, 112-mounting plate, 113-sliding seat, 114-blade, 115-stopper, 117-limit groove, 118-chamfer, 201-threaded rod, 202-threaded sleeve, 203-knob, 301-housing, 302-sliding sleeve, 303-cutting knife, 304-elastic component, 305-spring, 306-lifting plate, 307-pressing rod, 401-auxiliary threading assembly, 402-threading cylinder, 403-mounting frame, 404-driving member, 405-housing, 406-clamping seat, 407-lifting seat, 408-lifting rod, 409-movable shaft, 410-driving groove, 411-lifting groove, 412-descending groove, 413-threading hole, 414-suture needle.
Detailed Description
The following detailed description of embodiments of the invention, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the invention.
First embodiment:
referring to fig. 1 to 3, fig. 1 is a schematic view of the whole structure of the precise fascia lata harvesting device, fig. 2 is a schematic view of the mounting structure of the blade, and fig. 3 is a schematic view of the chamfer structure.
The invention provides an accurate fascia lata acquisition device, which comprises a mounting seat 101 and a cutting assembly 102, wherein the cutting assembly 102 comprises a fixed sleeve 103, a movable sleeve 104, a cutting knife 105, a telescopic rod 106, a driving member 107 and a cutting member 108, the fixed sleeve 103 is provided with graduation marks 109, the telescopic rod 106 comprises a fixed rod 110 and a movable rod 111, the cutting knife 105 comprises a mounting plate 112, a sliding seat 113, a blade 114 and a limiting block 115, the blade 114 is provided with a chamfer 118, the driving member 107 drives the movable sleeve 104 to move, at the moment, the distance between the movable sleeve 104 and the fixed sleeve 103 is changed, and the cutting knife 105 is inclined, so that the width of the fascia lata can be changed, fascia lata with different widths can be conveniently acquired, and the scheme can be used for solving the problem of cutting fascia lata with different widths when the fascia lata is conveniently acquired.
For the present embodiment, the fixing sleeve 103 is fixedly connected with the mounting seat 101 and is located at one side of the mounting seat 101, the driving member 107 is disposed on the mounting seat 101, the moving sleeve 104 is connected with the mounting seat 101 through the driving member 107, the cutting knife 105 is rotatably connected with the fixing sleeve 103 and is connected with the moving sleeve 104 and is located between the fixing sleeve 103 and the moving sleeve 104, the telescopic rod 106 is connected with the fixing sleeve 103 and is connected with the moving sleeve 104 and is disposed on the fixing sleeve 103, and the cutting member 108 is disposed on the fixing sleeve 103 and cuts the cut fascia lata; when in use, a notch is cut on the outer side of the thigh of a patient, the device is inserted, the insertion is stopped after the insertion length is consistent with the length of the fascia to be removed, the mounting seat 101 is pulled outwards at the moment, the fixed sleeve 103, the movable sleeve 104 and the cutting knife 105 are driven to move, the knife edge of the cutting knife 105 is contacted with the fascia to cut the fascia in the outward moving process of the cutting knife 105, finally, the cut fascia is cut off through the cutting member 108, the cut fascia can be removed, when the width of the fascia to be removed is required to be adjusted, the driving member 107 is used for driving the movable sleeve 104 to move, the distance between the movable sleeve 104 and the fixed sleeve 103 is changed, and the moving process of the movable sleeve 104 is changed at the same time, the cutting knife 105 is inclined, so that the width of fascia lata which can be cut by the cutting knife 105 is changed, the width of the device is conveniently adjusted, and the purpose of accurately obtaining fascia lata grafts with different lengths and widths is facilitated.
The scale mark 109 is arranged on the movable sleeve 104 and is positioned on one side of the movable sleeve 104, and the length of the inserted device is conveniently judged through the scale mark 109, so that the length of the acquired fascia lata is conveniently controlled.
The moving rod 111 is fixedly connected with the moving sleeve 104 and is positioned at one end of the moving sleeve 104, the fixed rod 110 is fixedly connected with the fixed sleeve 103, is in sliding connection with the moving rod 111 and is sleeved on the moving rod 111, one sides of the fixed rod 110 and one side of the moving rod 111 are arc-shaped, so that damage to other tissues in the process of inserting a device can be avoided, and meanwhile, the moving rod 111 can be retracted into the fixed rod 110 when the moving sleeve 104 moves through the sliding connection of the moving rod 111 and the fixed rod 110, so that the length of the telescopic rod 106 is changed along with the distance between the fixed sleeve 103 and the moving sleeve 104.
Meanwhile, the sliding seat 113 is slidably connected with the moving sleeve 104 and is located inside the moving sleeve 104, two ends of the mounting plate 112 are respectively rotatably connected with the sliding seat 113 and the fixed sleeve 103, the mounting plate 112 is arranged on the fixed sleeve 103, the blade 114 is fixedly connected with the mounting plate 112 and is located on one side of the mounting plate 112, one end of the mounting plate 112 can slide and rotate on the moving sleeve 104 through sliding of the sliding seat 113 and the moving sleeve 104, and after the position of the moving sleeve 104 is changed, the mounting plate 112 can incline and then the blade 114 is driven to incline.
In addition, the limiting block 115 is fixedly connected with the sliding seat 113 and is located at one side of the sliding seat 113, the moving sleeve 104 is provided with a limiting groove 117, the limiting groove 117 is arranged on the moving sleeve 104 and is located at one side of the moving sleeve 104 close to the limiting block 115, the limiting groove 117 is matched with the limiting block 115, the limiting groove 117 and the limiting block 115 are respectively arranged at two upper sides and lower sides of the sliding seat 113, the limiting block 115 is limited through the limiting groove 117, and the sliding seat 113 is limited, so that the sliding seat 113 can only move along the length direction of the limiting groove 117, and meanwhile separation of the sliding seat 113 and the moving sleeve 104 is avoided, and the incision of fascia lata is affected.
Finally, the chamfer 118 is provided on the blade 114 on the side of the blade 114 remote from the mounting block 101, and the chamfer 118 is provided on the side of the blade 114 remote from the blade edge, thus avoiding cutting other tissue by the blade 114 during insertion.
When the accurate fascia-widening acquiring device is used, a notch is formed in the outer side of a thigh of a patient, the device is inserted, the insertion length is judged through the scale marks 109, the insertion is stopped after the insertion length is consistent with the fascia-widening length to be acquired, the mounting seat 101 is pulled outwards at the moment, the fixing sleeve 103, the moving sleeve 104 and the cutting knife 105 are driven to move outwards, the knife edge of the cutting knife 105 can cut fascia, finally, the cutting member 108 is used for cutting fascia, fascia is acquired, when fascia is required to be acquired, the driving member 107 is used for driving the moving sleeve 104 to move, the distance between the moving sleeve 104 and the fixing sleeve 103 is adjusted, the cutting knife 105 is inclined, and the width of fascia which can be cut by the cutting knife 105 is changed, so that the purpose of fascia-widening with different widths is achieved.
Second embodiment:
On the basis of the first embodiment, referring to fig. 4, fig. 4 is a schematic structural view of a driving member of the second embodiment, and the driving member 107 of the present embodiment includes a threaded rod 201, a threaded sleeve 202 and a knob 203.
For the specific embodiment, the threaded rod 201 is rotationally connected with the mounting seat 101 and is located inside the mounting seat 101, the threaded sleeve 202 is in threaded connection with the threaded rod 201 and is fixedly connected with the moving sleeve 104 and is in sliding connection with the mounting seat 101, the knob 203 is fixedly connected with the threaded rod 201 and is located at one end of the threaded rod 201, the threaded rod 201 is driven to rotate by rotating the knob 203, so that the threaded rod 201 drives the threaded sleeve 202 to move, and the threaded sleeve 202 drives the moving sleeve 104 to move, thereby achieving the purpose of driving the moving sleeve 104 to move.
Third embodiment:
Referring to fig. 5 and 6, fig. 5 is a schematic view of the installation structure of the housing of the second embodiment, fig. 6 is a schematic view of the structure of the elastic component of the second embodiment, the cutting member 108 of the present embodiment includes a housing 301, a sliding sleeve 302, a cutting blade 303, and an elastic component 304, and the elastic component 304 includes a spring 305, a lifter plate 306, and a pressing rod 307.
For the specific embodiment, the shell 301 is slidably connected with the fixing sleeve 103 and is located at one side of the fixing sleeve 103, the sliding sleeve 302 is slidably connected with the shell 301 and is located inside the shell 301, the elastic component 304 is arranged on the sliding sleeve 302, and the cutting knife 303 is connected with the sliding sleeve 302 through the elastic component 304.
The lifting plate 306 is slidably connected with the sliding sleeve 302, is fixedly connected with the cutting knife 303 and is located at the inner side of the sliding sleeve 302, two ends of the spring 305 are respectively connected with the lifting plate 306 and the sliding sleeve 302, the spring 305 is arranged on the sliding sleeve 302, and the pressing rod 307 is fixedly connected with the lifting plate 306 and is located at one side of the lifting plate 306 far away from the spring 305.
The utility model discloses a surgical incision device, including fixed cover 103, shell 301, spring 305, cutting blade 303, pressure bar 307, lifter 306 and cutting blade 303, the shell 301 is through slider and spout with fixed cover 103 sliding connection, spring 305 is provided with two to be located respectively the front and back both sides of lifter 306, through spring 305 drive lifter 306 upwards moves, and then drive cutting blade 303 upwards moves, makes cutting blade 303 take in the shell 301, avoid the device in the course of inserting, cutting blade 303 cuts the patient, after the wide fascia of cutting, medical personnel promotes shell 301 removes, makes shell 301 drive cutting blade 303 remove to the position of cutting blade 105, then presses pressure bar 307, and then drives lifter 306 and cutting blade 303 descend, makes cutting blade 303 stretches out and the wide fascia of butt cutting, and finally slides pressure bar 307 drives lifter 306 and cutting blade 303 slide, thereby makes the cutting blade 303 can cut off the wide fascia of cutting, realizes the purpose of cutting the wide fascia of cutting.
Fourth embodiment:
Referring to fig. 7 to 10 on the basis of the first embodiment, fig. 7 is a schematic structural view of an auxiliary threading assembly of the fourth embodiment, fig. 8 is a schematic structural view of a mounting structure of a threading tube of the fourth embodiment, fig. 9 is a schematic structural view of a clamping holder of the fourth embodiment, fig. 10 is a schematic structural view of a rising groove and a falling groove of the fourth embodiment, the fascia lata precise acquiring device of the present embodiment further comprises an auxiliary threading assembly 401, the auxiliary threading assembly 401 comprises a threading tube 402, a mounting bracket 403 and a driving member 404, the driving member 404 comprises a housing 405, a clamping holder 406, a rising seat 407, a rising rod 408 and a moving shaft 409, and the driving groove 410 comprises a rising groove 411 and a falling groove 412.
For the specific embodiment, the threading tube 402 is fixedly connected with the moving sleeve 104 and penetrates through the moving sleeve 104, the mounting frame 403 is detachably connected with the moving sleeve 104 and is arranged on the moving sleeve 104, the driving member 404 is arranged on the mounting frame 403, the threading tube 402 is provided with a threading hole 413, the threading hole 413 penetrates through the threading tube 402, the upper part of the threading hole 413 is large in opening, the lower part of the threading hole is small in opening, and the whole moving sleeve 104 is funnel-shaped, so that the threading operation of medical staff is facilitated, and the mounting frame 403 is detachably connected with the moving sleeve 104 in a clamping buckle, a bolt or the like mode.
The lifting device comprises a shell 405, a mounting frame 403, a driving groove 410, two clamping seats 406, four driving grooves 410, lifting rods 408, clamping rods 408 and lifting rods 408, wherein the shell 405 is fixedly connected with the mounting frame 403 and is arranged on the mounting frame 403, the driving groove 410 is arranged on the inner side of the shell 405, the moving shafts 409 are connected with the shell 405 in a sliding mode and extend into the driving groove 410, the clamping seats 406 are fixedly connected with the moving shafts 409 and are arranged on the moving shafts 409, the lifting rods 407 are connected with the shell 405 in a sliding mode and are sleeved on the shell 405 in a sleeved mode, the lifting rods 408 are fixedly connected with the lifting rods 407 and are connected with the clamping seats 406 in a sliding mode and are located on the inner side of the lifting rods 407, the clamping seats 406 and the lifting rods 408 are respectively arranged on two sides of the shell 405, two moving shafts 409 are arranged on one clamping seat 406, and the driving grooves 410 are arranged on two inner walls of two sides of the shell 405 in a group.
Next, the rising groove 411 is provided inside the housing 405, the falling groove 412 is provided inside the housing 405, the rising groove 411 communicates with the falling groove 412, the rising groove 411 has a straight section and an inclined section, and the falling groove 412 has a straight section and an inclined section.
When the fascia lata is taken out, the threading operation is needed to be carried out on the taken fascia lata, the traditional mode needs to be carried out manually by medical staff, thus time and labor are wasted, threading efficiency is affected, after the fascia lata is taken out by using the accurate fascia lata acquisition device of the embodiment, the mounting bracket 403 is arranged on the moving sleeve 104, then the taken fascia lata is placed between the threading cylinder 402 and the shell 405, at the moment, the suture needle 414 with suture thread is inserted into the threading hole 413 on the threading cylinder 402, the suture needle 414 is guided through the threading hole 413, the needle head part enters between the two clamping seats 406 after the needle pierces the fascia lata, at the moment, the medical staff pushes the lifting seat 407 to descend, the lifting rod 408 and the clamping seat 406 are driven to descend by the lifting seat 407, the moving shaft 409 is driven to descend in the descending process of the clamping seat 406, the inclined section 412 firstly moves along the descending groove 412 in the descending process of the moving shaft 409, the needle is driven by the inclined section 414 firstly, the two lifting seat 406 is driven by the needle seat 406 to move the lifting seat 406, the two lifting seat 406 is driven by the needle seat 406 is driven by the lifting seat 406 to move away from the lifting seat 406, and the two clamping seat 406 is driven by the lifting seat 406 to move away from the lifting seat 406, and the two lifting seat 406 is driven by the lifting seat 406 to move by the lifting seat 406, at this time, the lifting of the clamping seat 406 does not drive the suture needle 414 to lift, and when the clamping seat 406 is lifted to the highest, the lifting seat 407 is pushed to descend again and the above process is repeated until the clamping seat 406 drives the suture needle 414 to penetrate fascia lata, thereby assisting the medical staff in threading operation and improving threading efficiency.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the application.